Home
Class 12
BIOLOGY
A non-infectious unnatural and unusual r...

A non-infectious unnatural and unusual reaction of a person to any substance or condition for which he is hypersensitive is termed as

A

toxin

B

allergy

C

infection

D

immunity

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BASIC CONCEPTS OF IMMUNOLOGY

    GRB PUBLICATION|Exercise INFLAMMATION|16 Videos
  • BASIC CONCEPTS OF IMMUNOLOGY

    GRB PUBLICATION|Exercise VACCINATION AND IMMUNIZATION|19 Videos
  • BASIC CONCEPTS OF IMMUNOLOGY

    GRB PUBLICATION|Exercise ACTIVE AND PASSIVE IMMUNITY|10 Videos
  • ANIMAL HUSBANDRY

    GRB PUBLICATION|Exercise NCERT CORNER|36 Videos
  • BIODIVERSITY AND CONSERVATION

    GRB PUBLICATION|Exercise NCERT CORNER (EXEMPLAR PROBLEMS)|30 Videos

Similar Questions

Explore conceptually related problems

For a reaction to be spontaneous at any temperature, the conditions are

Mention the conditions under which the weight of a person can become zero.

Name the condition in which a person passes out frequent watery stools.

A person shows strong unusual hypersensitive reaction when exposed to certain substance present in air. Mention the term used for these substances.

A person shows strong unusual hypersensitive reaction when exposed to certain substance present in air. Name the cells responsible for such reactions.

A person shows strong unusual hypersensitive reaction when exposed to certain substance present in air. List some symptoms related to this condition.

In the reversible reaction a catalyst is the substance which

Which reaction is termed as Darzen's reaction ?

A person shows strong unusual hypersensitive reaction when exposed to certain substance present in air. Mention the drugs which quickly reduce the symptoms of this condition.

In adsorption, the substance which acculates on the surface of the other substance is termed as………………..